Computer are good at dynamic stuff, I love to mix interactive geometry and analytic calculus. With DrGeoII it is becoming so much fun. I would have love to play with that at high school.
See this post, in French only, but if a brave soul can translate it in English I will be great. http://blog.ofset.org/hilaire/index.php?post/script-drgeo
Hilaire
squeak-fr@lists.squeakfoundation.org